Orion, a developer on The Lord of the Rings Online, addresses the concerns of many with regards to the issue of Radiance gear and raids in this latest update to his blog, "Orion's Belt".

The problem is this: Radiance gear is required for raids, and acquiring that gear requires completing instance Hard Modes, which also happen to have really confusing objectives.
Orion basically took some time out in the blog to state that they fully appreciate and understand this issue now, and it is something they are actively working on sorting out, though he unfortunately isn't able to provide a timetable for these changes.
Go here for the full blog entry.